(Photo caption:  Full-size dummy LCTs, codenamed BIGBOB, moored in South East England before the Normandy invasion (British Imperial War Museums, photograph H 42527, public domain).  This article was adapted from a nonfiction postscript in Christopher Turner’s Lieutenant Barnaby’s Inflatable Air Force. Christopher Turner had a 25-year career in the Central Intelligence Agency’s Directorate ...

Seventy-five years ago, on D-Day, June 6, 1944, a German agent operating in Britain began sending a series of urgent radio messages to his Nazi spy-masters. They stated that the Allied landings in Normandy were diversions, and the main Allied attack was coming to a zone to the North, the ...